:root{
  --bg:#0a0e1a;
  --bg2:#0f1629;
  --card:#111827;
  --card2:#1a2236;
  --line:#1e293b;
  --accent:#3b82f6;
  --accent-hover:#2563eb;
  --green:#22c55e;
  --text:#f1f5f9;
  --muted:#94a3b8;
  --muted2:#64748b;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Outfit',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{text-decoration:none;color:inherit}

/* NAV */
.nav{position:sticky;top:0;z-index:80;background:rgba(10,14,26,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .container{display:flex;align-items:center;height:64px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:32px;height:32px;background:var(--accent);border-radius:8px;display:grid;place-items:center;font-weight:900;font-size:14px;color:#fff}
.logo-text{font-weight:800;font-size:16px;letter-spacing:.04em;color:var(--text)}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-link{font-size:13px;font-weight:600;color:var(--muted);padding:8px 12px;border-radius:8px;transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.04)}
.cart-pill{display:none;position:absolute;top:-4px;right:-8px;background:var(--accent);color:#fff;width:16px;height:16px;border-radius:50%;font-size:9px;font-weight:900;grid:place-items:center;line-height:1}
.cart-pill.on{display:grid}
.nav-link{position:relative}
.nav-actions{display:flex;gap:8px}
.btn-ghost{padding:8px 16px;border:1px solid var(--line);border-radius:8px;font-weight:600;font-size:13px;color:var(--text);transition:.2s;background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-primary{padding:8px 20px;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;font-size:13px;border:none;cursor:pointer;transition:.2s;text-decoration:none;display:inline-block}
.btn-primary:hover{background:var(--accent-hover)}

/* CART */
.container{max-width:1100px;margin:0 auto;padding:0 24px;width:100%}
.cart-page{padding:48px 0 64px}
.cart-page h1{font-size:32px;font-weight:900;letter-spacing:-.01em}
.cart-sub{color:var(--muted);margin-top:4px;font-size:14px}
.cart-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;margin-top:32px;align-items:start}

.cart-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cart-header{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;padding:14px 20px;border-bottom:1px solid var(--line);font-size:11px;font-weight:800;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.cart-item{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;padding:18px 20px;border-bottom:1px solid var(--line);align-items:center;gap:8px}
.cart-item:last-child{border-bottom:none}
.ci-product{display:flex;align-items:center;gap:14px}
.ci-icon{width:52px;height:52px;border-radius:10px;object-fit:cover;border:1px solid var(--line)}
.ci-name{font-weight:800;font-size:13px}
.ci-period{font-size:11px;color:var(--muted);margin-top:2px}
.ci-price{font-weight:800;font-size:14px}
.ci-qty{display:flex;gap:8px;align-items:center}
.qty-btn{width:28px;height:28px;border-radius:8px;background:var(--card2);border:1px solid var(--line);color:var(--text);font-size:16px;cursor:pointer;display:grid;place-items:center;transition:.2s}
.qty-btn:hover{border-color:var(--accent);color:var(--accent)}
.qty-val{font-weight:800;font-size:14px;min-width:20px;text-align:center}
.ci-subtotal{font-weight:800;font-size:15px;color:var(--text)}
.ci-remove{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:6px;border-radius:6px;transition:.2s}
.ci-remove:hover{color:#ef4444;background:rgba(239,68,68,.1)}

.order-sidebar{position:sticky;top:90px}
.summary-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 20px}
.summary-card h3{font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:16px;text-transform:uppercase}
.summary-row{display:flex;justify-content:space-between;padding:8px 0;font-size:13px;color:var(--muted)}
.summary-row b{color:var(--text);font-weight:700}
.summary-row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:14px;font-size:16px;color:var(--text)}
.summary-row.total b{font-weight:900;font-size:18px}

.discount-apply{display:flex;gap:8px;margin-top:12px}
.discount-apply input{flex:1;padding:10px 12px;border-radius:8px;background:var(--card2);border:1px solid var(--line);color:var(--text);font-size:12px;outline:none;transition:.2s;font-family:inherit}
.discount-apply input:focus{border-color:var(--accent)}
.discount-apply input::placeholder{color:var(--muted2)}
.discount-apply button{padding:10px 16px;border-radius:8px;background:var(--accent);color:#fff;border:none;font-size:11px;font-weight:800;letter-spacing:.06em;cursor:pointer;font-family:inherit;transition:.2s}
.discount-apply button:hover{background:var(--accent-hover)}

.payment-methods{margin-top:16px;display:flex;gap:8px}
.pay-method{flex:1;padding:12px 8px;border-radius:10px;border:1px solid var(--line);background:var(--card2);text-align:center;cursor:pointer;transition:.2s;font-size:11px;font-weight:700;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:5px}
.pay-method.active{border-color:var(--accent);color:var(--text);background:rgba(59,130,246,.08)}
.pay-icon{font-size:18px}
.pay-label{font-size:10px;font-weight:800;letter-spacing:.04em}

.checkout-section{margin-top:16px;display:none}
.checkout-section.on{display:block}
.checkout-fields{display:grid;gap:10px;margin-top:12px}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.field input,.field select{padding:11px 12px;border-radius:8px;background:var(--card2);border:1px solid var(--line);color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:.2s}
.field input:focus{border-color:var(--accent)}
.field input::placeholder{color:var(--muted2)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn-checkout{width:100%;padding:14px;border-radius:10px;background:var(--accent);color:#fff;border:none;font-size:13px;font-weight:900;letter-spacing:.06em;cursor:pointer;font-family:inherit;margin-top:14px;transition:.2s}
.btn-checkout:hover{background:var(--accent-hover)}

.btc-section{display:none;margin-top:16px;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center}
.btc-section.on{display:block}
.btc-qr{width:160px;height:160px;background:#fff;margin:12px auto;border-radius:8px;display:grid;place-items:center}
.btc-addr{font-size:11px;color:var(--muted);word-break:break-all;margin-top:10px;padding:8px 12px;background:var(--card);border:1px solid var(--line);border-radius:6px;font-family:monospace;cursor:pointer}
.btc-addr:hover{border-color:var(--accent)}
.btc-hint{font-size:10px;color:var(--muted);margin-top:8px}

.btc-countdown{display:none;margin-top:14px;background:var(--card2);border:1px solid rgba(59,130,246,.2);border-radius:12px;padding:18px;text-align:center}
.btc-countdown.on{display:block}
.btc-timer{font-size:38px;font-weight:900;letter-spacing:.04em;color:var(--text);font-variant-numeric:tabular-nums}
.btc-timer span{display:inline-block;min-width:48px;text-align:center}
.btc-timer .sep{min-width:16px;opacity:.5}
.btc-note{font-size:11px;color:var(--muted);margin-top:8px}

.order-confirmed{display:none;padding:60px 20px}
.order-confirmed.on{display:flex;justify-content:center}
.confirm-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:40px;max-width:480px;width:100%;text-align:center}
.confirm-icon{width:56px;height:56px;border-radius:50%;background:rgba(34,197,94,.15);border:2px solid var(--green);color:var(--green);font-size:24px;font-weight:900;display:grid;place-items:center;margin:0 auto 20px}
.confirm-card h2{font-size:24px;font-weight:900;margin-bottom:8px}
.confirm-card>p{font-size:14px;color:var(--muted);line-height:1.6}
.confirm-section{margin-top:24px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px}
.confirm-label{font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--muted2);text-transform:uppercase;margin-bottom:8px}
.confirm-key{font-size:18px;font-weight:800;color:var(--accent);letter-spacing:.06em;font-family:monospace;cursor:pointer;padding:10px;background:var(--card);border:1px solid var(--line);border-radius:8px;transition:.2s;word-break:break-all}
.confirm-key:hover{border-color:var(--accent)}
.confirm-key.copied{border-color:var(--green);color:var(--green)}
.confirm-copy{font-size:11px;color:var(--muted2);margin-top:6px}
.confirm-download{display:inline-block;margin-top:8px;padding:12px 24px;border-radius:10px;background:var(--accent);color:#fff;font-weight:700;font-size:14px;transition:.2s;text-decoration:none}
.confirm-download:hover{background:var(--accent-hover);transform:translateY(-1px)}
.confirm-divider{height:1px;background:var(--line);margin:24px 0}
.confirm-enjoy{font-size:16px;font-weight:700;color:var(--text);margin-bottom:4px}
.confirm-help{font-size:12px;color:var(--muted)}
.confirm-help a{color:var(--accent);font-weight:700}
.accent{color:var(--accent)}

.footer{border-top:1px solid var(--line);padding:40px 0 24px;background:var(--bg2)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer h4{font-size:11px;letter-spacing:.12em;font-weight:800;margin-bottom:14px;color:var(--text);text-transform:uppercase}
.footer a{display:block;font-size:13px;color:var(--muted);padding:4px 0;transition:.2s}
.footer a:hover{color:var(--text)}
.footer-desc{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}
.footer-bottom{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px;color:var(--muted2)}

@media(max-width:900px){
  .cart-layout{grid-template-columns:1fr}
  .order-sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links .nav-link:not(:last-child){display:none}
}
@media(max-width:600px){
  .cart-header{display:none}
  .cart-item{grid-template-columns:1fr auto;gap:12px}
  .ci-price,.ci-qty{grid-column:2}
  .ci-subtotal{grid-column:1;text-align:right}
  .ci-remove{position:absolute;right:16px;top:18px}
  .cart-item{position:relative}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btc-timer{font-size:28px}
}